Girth welding device for thin-wall tank

By adopting an external and internal support combination structure in the circumferential welding device for thin-walled tanks, the problem of unsupported inner walls during welding of thin-walled tanks was solved, thereby improving stability and load-bearing capacity during the welding process.

CN223889302UActive Publication Date: 2026-02-10KUNSHAN XINGKE RUOTE MACHINERY EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520521335.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-10
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

The existing thin-walled tank welding equipment does not support the inner wall, resulting in high external pressure, making the thin-walled tank prone to dents and causing poor welding stability.

Method used

A circumferential welding device for thin-walled tanks is designed, which adopts a combination structure of external and internal support components. The positions of the internal and external support components are adjusted by the moving plate and threaded rod on the assembly ring to ensure that both the inner and outer walls are supported, thereby improving stability.

Benefits of technology

It significantly improves the stability of thin-walled tanks, prevents deformation or instability during welding, and enhances the stability and load-bearing capacity of the weld.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of welding, in particular to a girth welding device for a thin-wall tank body, which comprises the thin-wall tank body, four outer supporting pieces are supported and mounted on the outer side wall of the thin-wall tank body, four inner supporting pieces are supported and mounted on the inner side wall of the thin-wall tank body, the inner supporting pieces are connected and provided with connecting plates, and the connecting plates can move through movement of moving plates. The movable plate is installed on the assembly ring, the second hexagonal rotating handle is adjusted to enable the inner supporting piece to support the inner side wall of the thin-wall tank body, the first hexagonal rotating handle is adjusted to enable the outer supporting piece to support the outer side wall of the thin-wall tank body, and through the inner and outer supporting structures of the outer supporting piece and the inner supporting piece, the stability of the thin-wall tank body can be remarkably improved; deformation or instability of the thin-wall tank body due to pressure and temperature changes in the welding process is prevented, so that the bearing capacity of the thin-wall tank body is improved, and the welding stability is enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of welding, concretely relates to a girth seam welding device of thin wall tank. BACKGROUND

[0002] The welding of thin wall tank refers to the process that two or more thin wall metal tanks are connected together through welding technology. The thin wall tank is usually made of aluminum alloy, stainless steel and other materials. A girth seam welding device of thin wall tank (authorized publication number CN 205571825 U) is disclosed in Chinese patent. The patent technology can reduce the secondary deformation of roundness caused by support, solve the problem of complex disassembly after welding, has simple structure and is convenient to use. However, the design only supports the outer side wall of the thin wall tank and does not support the inner side wall, so there is a risk that the thin wall tank will be depressed due to large external pressure. Therefore, the technical personnel in the art provide a girth seam welding device of thin wall tank to solve the problems raised in the above background technology. SUMMARY

[0003] To solve the above technical problems, the utility model provides a girth seam welding device of thin wall tank, which comprises a thin wall tank, four outer support members are supported and installed on the outer side wall of the thin wall tank, four inner support members are supported and installed on the inner side wall of the thin wall tank, the inner support members are connected and installed on a connecting plate, the connecting plate can be moved by moving the moving plate, and the moving plate is installed on an assembly ring.

[0004] Preferably, the assembly ring is provided with four first threaded grooves, a first threaded rod is installed in the first threaded groove, a first hexagonal handle is installed on the upper side of the first threaded rod, and an outer support member is installed on the lower side of the first threaded rod.

[0005] Preferably, the outer side wall of the assembly ring is provided with four moving grooves, and a limiting groove is arranged at the outer side end of the moving groove.

[0006] Preferably, the moving plate is movably installed in the moving groove, a limiting plate is installed at the middle position of the upper side wall of the moving plate, the limiting plate can move in the limiting groove, and an anti-dropping plate is installed at the rear end side wall of the moving plate.

[0007] Preferably, the front end side wall of the moving plate is provided with a third threaded groove, a connecting plate is installed below the front end of the moving plate, a second threaded groove is arranged in the connecting plate, and a second threaded rod can be installed in the second threaded groove and the third threaded groove.

[0008] Preferably, the upper side of the second threaded rod is provided with a second hexagonal handle, and the inner support member is connected and installed on the lower side of the connecting plate.

[0009] The utility model has the following technical effects and advantages:

[0010] 1. Adjust the No. 2 hexagonal handle to make the inner support support the inner wall of the thin-walled tank, and adjust the No. 1 hexagonal handle to make the outer support support the outer wall of the thin-walled tank. Through the inner and outer support structure of the outer and inner supports, the stability of the thin-walled tank can be significantly improved, preventing the thin-walled tank from deforming or becoming unstable due to pressure and temperature changes during the welding process. This improves the load-bearing capacity of the thin-walled tank and enhances the stability of the welding.

[0011] 2. When performing circumferential welding of thin-walled tanks, the inner support can be inserted into the thin-walled tank by adjusting the moving plate in the four moving slots on the outer wall of the assembly ring. This allows for adjustment according to the welding dimensions, providing high flexibility. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of a circumferential weld device for a thin-walled tank provided in an embodiment of this application;

[0013] Figure 2 This is an exploded structural diagram of a circumferential weldment device for a thin-walled tank provided in an embodiment of this application;

[0014] Figure 3 This is a schematic diagram of a partial exploded structure in a circumferential weldment device for a thin-walled tank provided in an embodiment of this application. Figure 1 ;

[0015] Figure 4 This is a schematic diagram of a partial exploded structure in a circumferential weldment device for a thin-walled tank provided in an embodiment of this application. Figure 2 ;

[0016] Figure 5 This application provides an embodiment of a circumferential weldment device for thin-walled tanks. Figure 4 An enlarged schematic diagram of the A structure.

[0017] In the diagram: 1. Thin-walled tank; 2. Assembly ring; 3. Outer support; 4. Inner support; 5. Moving plate; 6. Hexagonal handle No. 1; 7. Hexagonal handle No. 2; 201. Threaded groove No. 1; 202. Moving groove; 203. Limiting groove; 401. Connecting plate; 402. Threaded groove No. 2; 501. Limiting plate; 502. Anti-detachment plate; 503. Threaded groove No. 3; 601. Threaded rod No. 1; 701. Threaded rod No. 2. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.

[0019] Example

[0020] Please see Figures 1-5 In this embodiment, a circumferential welding device for a thin-walled tank is provided, including a thin-walled tank 1. Four external support members 3 are installed on the outer side wall of the thin-walled tank 1, and four internal support members 4 are installed on the inner side wall of the thin-walled tank 1. The internal support members 4 are connected to and installed with a connecting plate 401. The connecting plate 401 can be moved by the movement of a movable plate 5, which is installed on an assembly ring 2.

[0021] Specifically, the assembly ring 2 has four No. 1 threaded grooves 201, a No. 1 threaded rod 601 is installed in the No. 1 threaded groove 201, a No. 1 hexagonal handle 6 is installed on the upper side of the No. 1 threaded rod 601, and an outer support 3 is installed on the lower side of the No. 1 threaded rod 601.

[0022] The outer wall of the assembly ring 2 is provided with four moving grooves 202, and the outer end of the moving grooves 202 is provided with a limiting groove 203;

[0023] A movable plate 5 is movably installed in the movable groove 202. A limiting plate 501 is installed in the middle of the upper side wall of the movable plate 5. The limiting plate 501 is movable in the limiting groove 203. An anti-detachment plate 502 is installed on the rear side wall of the movable plate 5.

[0024] The front side wall of the movable plate 5 is provided with a No. 3 threaded groove 503. A connecting plate 401 is installed at the lower position of the front end of the movable plate 5. A No. 2 threaded groove 402 is provided in the connecting plate 401. A No. 2 threaded rod 701 can be installed in the No. 2 threaded groove 402 and the No. 3 threaded groove 503. A No. 2 hexagonal handle 7 is installed on the upper side of the No. 2 threaded rod 701. An inner support member 4 is connected and installed on the lower side of the connecting plate 401.

[0025] The working principle of this utility model is as follows:

[0026] When using a circumferential welding device for thin-walled tanks, during the circumferential welding of the thin-walled tank 1, the inner support 4 is inserted into the thin-walled tank 1 by adjusting the moving plate 5 within the four moving slots 202 on the outer wall of the assembly ring 2, and adjusting the second hexagonal handle 7 to support the inner wall of the thin-walled tank 1 by adjusting the outer support 3. Through the inner and outer support structures of the outer support 3 and the inner support 4, the stability of the thin-walled tank 1 can be significantly improved, preventing the thin-walled tank 1 from deforming or becoming unstable due to pressure and temperature changes during the welding process, thereby increasing the load-bearing capacity of the thin-walled tank 1 and enhancing the stability of the welding.

[0027] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A device for circumferential welding of thin-walled tanks, characterized in that, It includes a thin-walled tank (1), four external support members (3) are installed on the outer side wall of the thin-walled tank (1), four internal support members (4) are installed on the inner side wall of the thin-walled tank (1), and the internal support members (4) are connected to a connecting plate (401). The connecting plate (401) can be moved by the movement of a movable plate (5), which is installed on an assembly ring (2).

2. The circumferential weldment device for a thin-walled tank according to claim 1, characterized in that, The assembly ring (2) is provided with four No. 1 threaded grooves (201), and a No. 1 threaded rod (601) is installed in the No. 1 threaded groove (201).

3. The circumferential weldment device for a thin-walled tank according to claim 2, characterized in that, A hexagonal swivel (6) is installed on the upper side of the first threaded rod (601), and an outer support (3) is installed on the lower side of the first threaded rod (601).

4. The circumferential weldment device for a thin-walled tank according to claim 2, characterized in that, The outer wall of the assembly ring (2) is provided with four moving grooves (202), and the outer end of the moving grooves (202) is provided with a limiting groove (203).

5. The circumferential weldment device for a thin-walled tank according to claim 4, characterized in that, A movable plate (5) is movably installed in the movable groove (202). A limiting plate (501) is installed in the middle of the upper side wall of the movable plate (5). The limiting plate (501) can move within the limiting groove (203).

6. The circumferential weldment device for a thin-walled tank according to claim 5, characterized in that, An anti-detachment plate (502) is installed on the rear side wall of the movable plate (5).

7. The circumferential weldment device for a thin-walled tank according to claim 6, characterized in that, The front side wall of the movable plate (5) is provided with a No. 3 threaded groove (503). A connecting plate (401) is installed at the lower position of the front end of the movable plate (5). A No. 2 threaded groove (402) is provided in the connecting plate (401). A No. 2 threaded rod (701) can be installed in the No. 2 threaded groove (402) and the No. 3 threaded groove (503).

8. The circumferential weldment device for a thin-walled tank according to claim 7, characterized in that, The No. 2 threaded rod (701) is equipped with a No. 2 hexagonal swivel (7) on its upper side.

9. The circumferential weldment device for a thin-walled tank according to claim 7, characterized in that, The connecting plate (401) is connected to the lower side of the inner support member (4).

Citation Information

Patent Citations

  • Circumferential weld welding set of thin wall jar body

    CN205571825U